Answer:
hard
Step-by-step explanation:
I don't know because I have never learnt these things
Answer:
Unlike fractions: Fractions with different denominators are called, unlike fractions.
In case of two equivalent fractions, the product of the numerator of one fraction and denominator of the second fraction is equal to the product of the denominator of the first fraction and numerator of the second fraction.
A fraction is said to be in form if its numerator and denominator are 5. To add or subtract like fractions, we add or subtract the keeping the same.
Step-by-step explanation:
4 POINT I DONT NO
Since we are trying to find the number of sequences can be made <em>without repetition</em>, we are going to use a combination.
The formula for combinations is:
![_n C _k = \dfrac{n!}{k! (n - k)!}](https://tex.z-dn.net/?f=_n%20C%20_k%20%3D%20%5Cdfrac%7Bn%21%7D%7Bk%21%20%28n%20-%20k%29%21%7D)
is the total number of elements in the set
is the number of those elements you are desiring
Since there are 10 total digits,
in this scenario. Since we are choosing 6 digits of the 10 for our sequence,
in this scenario. Thus, we are trying to find
. This can be found as shown:
![_{10} C _6 = \dfrac{10!}{6! \cdot 4!} = \dfrac{10 \cdot 9 \cdot 8 \cdot 7}{4!} = \dfrac{5040}{24} = 210](https://tex.z-dn.net/?f=_%7B10%7D%20C%20_6%20%3D%20%5Cdfrac%7B10%21%7D%7B6%21%20%5Ccdot%204%21%7D%20%3D%20%5Cdfrac%7B10%20%5Ccdot%209%20%5Ccdot%208%20%5Ccdot%207%7D%7B4%21%7D%20%3D%20%5Cdfrac%7B5040%7D%7B24%7D%20%3D%20210)
There are 210 total combinations.
S(t) = 3.82 - 0.2t
Step-by-step explanation:
After 7 weeks, the ice is 2.42 meters thick. The ice loses 0.2 meters of thickness per week; this means on the 7th week, it has lost 7(0.2) = 1.4 meters of thickness.
This means the ice started at 2.42+1.4 = 3.82 meters thick.
Our function will start at the original thickness of the ice, 3.82 meters.
Since the ice is losing thickness, we will subtract; it loses at a rate of 0.2 meters per week (t), which gives us 0.2t. This is subtracted from the original, 3.82 meters, giving us
S(t) = 3.82 - 0.2t
A. C. and E. Are the answers i belive you welcome